When Mr Timmons lost his job his wife said it was their sole income. But in reality Laura's wages from the post office would have likely gone to help the family in Victorian times.
Previous episode had date of 1883 but the song Remember or Forget sung by Queenie was not written until 1895.
When Edmond is walking towards Alf's after falling and hurting himself, he is holding his bleeding left side. In the next scene he is lying in the barn and his shirt is open and he has a wound on his right side.